Bobbi Kristina‘s family gathered Monday in Westfield, NJ for the burial at Fairview Cemetery … in the plot right next to her mom, Whitney Houston.

Another family gathering means another opportunity for drama … after Bobbi’s aunt, Leolah Brown, was booted from Saturday’s funeral after lashing out verbally at Pat Houston.

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As TMZ first reported, someone snapped a photo of Bobbi Kristina — lying in her casket — during Friday’s viewing … which was now been sold to a media outlet.

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